Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue received from distributors	63.00%
Standard limited warranty period, in years	1 year
Realized foreign currency losses	$ (1.9)	$ (2.2)	$ (2.8)
Building and Improvements | Minimum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, in years	10 years
Building and Improvements | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, in years	30 years
Machinery and Equipment and Software | Minimum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, in years	3 years
Machinery and Equipment and Software | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property, plant and equipment, estimated useful life, in years	10 years
Balance Sheet Translation Hedges
Summary Of Significant Accounting Policies [Line Items]
Duration of currency forward and combination option contracts, in months	1 month